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50 lines
1.1 KiB
50 lines
1.1 KiB
class Library < ActiveRecord::Base
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include AASM
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belongs_to :user
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has_many :library_applies, dependent: :delete_all
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has_many :attachments, as: :container
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has_many :library_library_tags, dependent: :delete_all
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has_many :library_tags, through: :library_library_tags
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attr_accessible :title, :content
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validates :title, presence: true
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validates :content, presence: true
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validates :uuid, presence: true, uniqueness: true
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acts_as_attachable
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aasm(:status) do
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state :pending, initiali: true
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state :processing
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state :refused
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state :published
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event :submit do
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transitions from: [:pending, :refused], to: :processing
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end
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event :refuse do
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transitions from: :processing, to: :refused
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end
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event :publish do
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transitions from: :processing, to: :published
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end
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end
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def generate_uuid
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uuid = Util.generate_time_uuid
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while Library.exists?(uuid: uuid)
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uuid = Util.generate_time_uuid
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end
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self.uuid = uuid
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end
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def increment_visited_count!
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Library.connection.execute("update libraries set visited_count = COALESCE(visited_count, 0) + 1 where id = #{id}")
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end
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end |